Emerson 1C31166G01 Serial Link Controller
The Emerson 1C31166G01, also cataloged as the 1C31166G01 Serial Link Controller, operates as a dedicated hardware component for multi-protocol serial communication bridging within Emerson Ovation distributed control systems.
Hardware Specifications
| Parameter |
Specification |
| Model |
1C31166G01 |
| Brand |
Emerson |
| Origin |
OEM Specification |
| Weight |
Approx. 0.32 kg |
| Dimensions |
Approx. 130 mm x 100 mm x 70 mm |
| Operating Temp |
0 deg C to 60 deg C |
| Power Consumption |
Powered from Ovation I/O baseboard (24 VDC) |
| Communication Ports |
2 independent serial ports |
| Supported Protocols |
Modbus RTU (Master/Slave), DF1 |
| Max Baud Rate |
Up to 115.2 Kbps |
Galvanic Isolation and Serial Port Architecture
The controller features two independent serial ports configurable for RS-232, RS-422, or RS-485 physical interfaces, supporting communication protocols such as Modbus RTU and Allen-Bradley DF1 up to a maximum baud rate of 115.2 Kbps. To safeguard internal logic circuitry against ground potentials and electrical noise in heavy industrial environments, the module delivers 1000V to 1500V galvanic isolation across communication channels. Additionally, a protective conformal coating is applied to the printed circuit assembly to resist moisture and airborne contaminants.
Frequently Asked Questions
Q: What physical communication standards are supported by the serial ports?
A: Each of the two independent ports can be configured via software or hardware jumpers to support RS-232, RS-422, or RS-485 physical layers.
Q: What level of electrical isolation is maintained between the communication channels and system logic?
A: The module provides 1000V to 1500V galvanic isolation to prevent ground loop interference and protect internal logic circuits.
Q: What is the maximum allowable cable length for the application ports?
A: Application port cables support a maximum length of 10 meters to maintain signal integrity and comply with CE Mark system installation criteria.
Field Installation Guidelines
-
Ensure the Ovation I/O baseboard power supply is fully isolated before inserting or extracting the 1C31166G01 controller module.
-
Verify that cabinet ambient operating temperatures remain within the 0 deg C to 60 deg C range to prevent thermal stress on electronic components.
-
Route RS-485 and RS-422 communication lines using shielded twisted-pair cables, grounding the shields appropriately to minimize electromagnetic interference.
-
Restrict application port cable runs to a maximum of 10 meters in compliance with system shielding and CE Mark deployment rules.
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